Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970400 | Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marks | Kouichirou Wakabayashi, Tsuyoshi Onuma, Teruaki Takeuchi, Nobuyuki Inaba | 2005-11-29 |
| 6944117 | Information recording medium and information recording device | Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Sumio Hosaka, Motoyasu Terao +2 more | 2005-09-13 |
| 6893746 | Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus | Norio Ohta, Kouichirou Wakabayashi, Teruaki Takeuchi, Harumi Hieida, Masaki Sekine +5 more | 2005-05-17 |
| 6844092 | Optically functional element and production method and application therefor | Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Motoyasu Terao, Toshimichi Shintani +5 more | 2005-01-18 |